100300120211121 has 4 divisors (see below), whose sum is σ = 133733493614832. Its totient is φ = 66866746807412.

The previous prime is 100300120211117. The next prime is 100300120211129. The reversal of 100300120211121 is 121112021003001.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 100300120211121 - 2² = 100300120211117 is a prime.

It is a super-2 number, since 2×100300120211121² (a number of 29 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 100300120211121.

It is not an unprimeable number, because it can be changed into a prime (100300120211129) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 16716686701851 + ... + 16716686701856.

It is an arithmetic number, because the mean of its divisors is an integer number (33433373403708).

Almost surely, 2^{100300120211121} is an apocalyptic number.

It is an amenable number.

100300120211121 is a deficient number, since it is larger than the sum of its proper divisors (33433373403711).

100300120211121 is an equidigital number, since it uses as much as digits as its factorization.

100300120211121 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 33433373403710.

The product of its (nonzero) digits is 24, while the sum is 15.

Adding to 100300120211121 its reverse (121112021003001), we get a palindrome (221412141214122).

The spelling of 100300120211121 in words is "one hundred trillion, three hundred billion, one hundred twenty million, two hundred eleven thousand, one hundred twenty-one".